yeah im guessing the passenger made some fairly derogatory comments to the driver to say the least like its not hard for me to imagine a scottish mma fighter calling a muslim a sand nigger or something like that not that that justifies beating someone with a pipe but i highly highly doubt the passenger just happened to mention he was an athiest and was then beaten for a benign statement like that like why wouldnt this taxi driver had beaten a bunch of jews or christians in the past but decides to beat an athiest im guessing this athiest got under the guys skin and he wasnt having a great day and finally snapped tldr there is a ton that we dont know here